Grade 7 Waves Quiz

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Basic wave concepts

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Omnia Bahr

Saudi Arabia

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Grade 7 Waves Quiz


Grade 7 Waves QuizVersion en ligne Basic wave concepts par Omnia Bahr 1 What is a wave in science? a A chemical reaction b A moving object c A stored energy d A disturbance that transfers energy without mass moving 2 Which type of wave does not require a medium to travel? a Electromagnetic wave b Sound wave c Mechanical wave d Longitudinal wave 3 How is wave speed calculated? a Speed = frequency × wavelength b Speed = distance ÷ time c Speed = amplitude × wavelength d Speed = frequency ÷ wavelength 4 Which medium is needed for sound waves to travel? a A material medium (air, water, solids) b Vacuum c Only air d Only water 5 Do electromagnetic waves require a medium to travel? a Yes, always need a medium b No, they can travel through vacuum c Only in air d Only in water 6 What does the amplitude of a wave describe? a The time between crests b The wavelength c The height of the wave (intensity) d The speed of the wave 7 What is the relationship between wavelength and frequency for a fixed speed? a Wavelength and frequency are inversely related b Both stay the same c Both increase together d Wavelength increases as frequency increases 8 What happens when a wave reflects off a surface? a It changes into a different wave b It slows down and stops c It disappears d It bounces back 9 What is refraction of a wave? a Disappearance of the wave b Change in direction when entering a new medium c Mirror-like reflection d Increase in wave speed only 10 How do pitch and frequency relate for sound waves? a Pitch is independent of frequency b Pitch decreases with higher frequency c Pitch depends only on amplitude d Pitch increases with higher frequency

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Grade 7 Waves Quiz

Test

À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

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Grade 7 Waves QuizVersion en ligne

par Omnia Bahr

What is a wave in science?

Which type of wave does not require a medium to travel?

How is wave speed calculated?

Which medium is needed for sound waves to travel?

Do electromagnetic waves require a medium to travel?

What does the amplitude of a wave describe?

What is the relationship between wavelength and frequency for a fixed speed?

What happens when a wave reflects off a surface?

What is refraction of a wave?

How do pitch and frequency relate for sound waves?